Module F SKELETAL SYSTEM & ARTICULATIONS

Transcription

1 Module F SKELETAL SYSTEM & ARTICULATIONS Topic from General functions of bone & the skeletal system Structural components microscopic anatomy Structural components gross anatomy Physiology of embryonic bone formation (ossification, osteogenesis) Physiology of bone growth, repair, & remodeling Organization of the skeletal system Gross anatomy of bones Describe the major functions of the skeletal system.. List and describe the cellular and extracellular components of bone tissue. 2. Identify the internal structural components of compact bone and spongy bone. 3. Identify the types of cartilage tissues found in the skeletal system and explain the functions of each. 4. Explain the roles of dense regular and dense irregular connective tissue in the skeletal system.. Identify the structural components of a long bone, with emphasis on region of longitudinal growth. 2. Explain the functions of those structural components in the context of a whole bone Knowledge,7,5,7,5 Knowledge,7,5. Explain the roles osteogenic cells play in the formation of bone tissue.,4,5 2. Compare and contrast intramembranous and endochondral (intracartilagenous) bone formation. Compare and contrast the function of osteoblasts and osteoclasts during bone growth, repair, and,4,5,6 remodeling. 2. Explain the hormonal regulation of skeleton growth.,5 3. Explain the roles of calcitonin, parathyroid hormone and calcitriol in bone remodeling and blood calcium,3,5 regulation. 4. Contrast the remodeling processes of a child (birth,4,5,6 to adolescence) and an adult (middle to old age). Define the two major divisions of the skeletal system (axial and appendicular) and list the general bone Knowledge structures contained within each.. Identify the types of bones based on shape and composition (compact vs. spongy), and relate the shapes of bones to their functions.,7 2. Identify the individual bones and their location Knowledge,7 within the body. 3. Identify bone markings (spines, processes, foramina, etc.) and describe their function (e.g., point of articulation, muscle tendon attachment, ligament attachment, passageway for nerves and vessels). 4. Compare and contrast the skull of a fetus/infant with the skull of an adult. 5. Compare and contrast the adult male and female skeletons.,7,5,6,7,6,7 Module F March 200

2 Classification, structure, & function of joints (articulations) of mechanisms Predictions related to imbalance, including disease states & disorders. With respect to classification of joints: a. Describe the functional classification, based on degree of movement allowed - synarthrotic, amphiarthrotic, and diarthrotic and provide examples of each type. b. Describe the anatomical classification, based on structure - fibrous, cartilaginous, and synovial and provide examples of each type. c. Explain how the functional and anatomical classifications are related. 2. Identify the structural components of the synovial joint, including accessory structures like bursae, tendon sheaths, and ligaments. 3. Describe and demonstrate the generalized movements of synovial joints. 4. For each of the six structural types of synovial joints: a. Describe the anatomical features of that structural type. b. Describe locations in the body where each structural type can be found. c. Predict the kinds of movements that each structural type will allow.. Provide specific examples to demonstrate how the skeletal system and articulations respond to maintain homeostasis in the body. 2. Explain how the skeletal system and articulations relate to other body systems to maintain. Predict factors or situations affecting the skeletal system and articulations that could disrupt 2. Predict the types of problems that would occur in the body if the skeletal system and articulations could not maintain & & 4,5 Knowledge,7 &,7 Synthesis,4,3,4,5,6,3,4,5,6 Synthesis,3,4,5,6 Synthesis,3,4,5,6 Copyright Human Anatomy and Physiology Society (HAPS) Module F March 200 2

3 Module G Muscular System Topic from General functions of muscle tissue Identification, general location, & comparative characteristics of skeletal, smooth, & cardiac muscle tissue Describe the major functions of muscle tissue.. Identify skeletal, cardiac and smooth muscle. Knowledge,7 2. Describe the structure, location in the body and function of skeletal, cardiac and smooth muscle. 3. Compare and contrast the characteristics of skeletal, cardiac and smooth muscle 4,5. Describe the organization of muscle tissue from cell to whole muscle to groups of muscles Detailed gross & microscopic anatomy of skeletal muscle 2. Name the connective tissue layers that surround each cell, fascicle, muscle, and group of muscles and indicate the specific type of connective tissue that composes all of these Knowledge layers. 3. Describe a skeletal muscle fiber including the transverse (T) tubules, sarcoplasmic reticulum and myofibrils. 4. Explain the organization of a myofibril. 5. Name, and describe the function of, each of the contractile, regulatory, and structural protein components of a sarcomere. 6. Describe the anatomy of the neuromuscular junction. 7. List the anatomical and metabolic characteristics of fast, slow, Knowledge and intermediate muscle fibers.. Explain the sliding filament theory of muscle contraction. Physiology of skeletal muscle contraction 2. Describe the sequence of events involved in the contraction cycle of skeletal muscle. 3. Explain how an electrical signal from the nervous system arrives at the neuromuscular junction.,4 4. Describe, in order, the events that occur at the neuromuscular junction that elicit an action potential in the muscle fiber. Module F March 200 3

4 5. Explain what is meant by the expression "excitation-contraction coupling".. List the sources of energy stored in a typical muscle fiber. Knowledge Skeletal muscle metabolism Principles & types of whole muscle contraction 2. Describe the mechanisms that muscle fibers use to obtain ATP for muscle contraction. 3. Explain the factors that contribute to muscle fatigue.,6 4. Summarize the events that occur during the recovery period of muscle contraction. 5. Compare and contrast the metabolism of skeletal, cardiac and smooth muscle.. Interpret a myogram of a twitch contraction with respect to the duration of the latent, contraction and relaxation periods and describe the events that occur in each period. 2. Define the terms tension and contraction, with respect to muscles.,3,5 & Knowledge 3. Define the term motor unit. Knowledge 4. With respect to the mechanisms by which muscles generate variable amounts of tension: a. Interpret a myogram or graph of tension vs. stimulus frequency and explain the physiological basis for the phenomena of treppe, summation and tetanus. b. Interpret a myogram or graph of tension vs. stimulus intensity and explain the physiological basis for the phenomenon of recruitment. c. Interpret a graph of the length-tension relationship and discuss the anatomical basis for that relationship. & & &,5,7,8,7,8,7,8,8 5. Demonstrate isotonic and isometric contraction and interpret graphs of tension vs. time and muscle length vs. time for each type of contraction. 6. Demonstrate concentric and eccentric contraction and contrast the relative tension and resistance that exists, as well as the change in muscle length that occurs, in each type of contraction. & & Nomenclature of skeletal Explain how the name of a muscle can help identify its action,,4,7,8,7 Module F March 200 4

5 muscles appearance, or location. Location & function of the major skeletal muscles Identify the origin, insertion and action of the major skeletal muscles and demonstrate these muscle actions.,7 Group actions of skeletal muscles Lever systems of mechanisms Predictions related to imbalance, including disease states & disorders. Define the terms prime mover (or agonist), antagonist, synergist and fixator. 2. For a given movement, differentiate specific muscles that function as prime mover, antagonist, synergist or fixator.. Differentiate among the three classes of levers in terms of the relative position of fulcrum, effort and load, as well as in terms of the relative power and range of motion. 2. Give examples in the human body of muscles and their associated joints to illustrate each type of lever system.. Provide specific examples to demonstrate how the muscular system responds to maintain homeostasis in the body 2. Explain how the muscular system relates to other body systems to maintain homeostasis. Predict factors or situations affecting the muscular system that could disrupt 2. Predict the types of problems that would occur in the body if the muscular system could not maintain Knowledge 5,6,4,3,4,5,6,3,4,5,6 Synthesis,3,4,5,6 Synthesis,3,4,5,6 Copyright Human Anatomy and Physiology Society (HAPS) Module F March 200 5

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